![](../../../img/17/AK302833AB00ENG.png)
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1.Disconnect the vacuum hose
(between purge control solenoid valve and intake manifold)
from the purge control solenoid valve and connect it to a
hand vacuum pump. 2.Plug the nipple from which the
vacuum hose was removed.
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![](../../../img/17/AK100011AC00ENG.png)
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3.Start the
engine. 4.Check that a fairly constant negative
pressure is generated regardless of the engine
speed. 5.If no negative pressure is generated, the
port is probably blocked and should be cleaned.
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